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Wired network not working after resuming from suspend (Ubuntu 16.04) #222

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hotice opened this Issue Aug 23, 2016 · 4 comments

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@hotice

hotice commented Aug 23, 2016

When TLP is installed, the weird network on my laptop does not work after resuming from suspend. Tested in Ubuntu 16.04 with TLP 0.8 and 0.9. The issue can be replicated 100% of the time - it always occurs with TLP, never when TLP is not installed.

I tried all the suggestions mentioned in this bug report: #181 , with no success.

Here's the output of tlp-stat (ignore the battery being pretty much dead :D): https://gist.github.com/hotice/ed58c1215c4ead10a561f28f781b8c9c

@linrunner

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linrunner commented Aug 23, 2016

Hi,

at the end of the day it's always a faulty kernel powersave feature that TLP exposes by activating it ... honestly ;-)

  1. Happens on battery or AC or both?

  2. Try disabling Runtime PM completely by commenting out both lines:

    #RUNTIME_PM_ON_AC=on
    #RUNTIME_PM_ON_BAT=auto

  3. Try WOL_DISABLE=N

  4. Try to restart NetworkManager after resume

    sudo systemctl restart NetworkManager

For 2. and 3. make shure to poweroff before testing the new setting

ignore the battery being pretty much dead

A 17" isn't very much portable anyway ... :-D

@hotice

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hotice commented Aug 23, 2016

It only happens on AC. I tried all your solutions and one worked: setting WOL_DISABLE=N in the config. Thanks!

@vooze

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vooze commented Aug 23, 2016

Seems to work for me, can't reproduce with tlp 0.9. (Tested with AC + Cable + suspend)

@linrunner

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linrunner commented Aug 26, 2016

Added to the FAQ for good measure :-)

@vooze: i can't reproduce it either ;-).

@linrunner linrunner closed this Aug 28, 2016

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